823552 has 18 divisors (see below), whose sum is σ = 1644398. Its totient is φ = 411648.

The previous prime is 823547. The next prime is 823553. The reversal of 823552 is 255328.

823552 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 20736 = 896^2 + 144^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (823553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353 + ... + 1864.

2⁸²³⁵⁵² is an apocalyptic number.

It is an amenable number.

823552 is a deficient number, since it is larger than the sum of its proper divisors (820846).

823552 is an equidigital number, since it uses as much as digits as its factorization.

823552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3219 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 823552 is about 907.4976583992. The cubic root of 823552 is about 93.7339694072.

The spelling of 823552 in words is "eight hundred twenty-three thousand, five hundred fifty-two".